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Buy the 5/8-18 x 8 1/2" (PT) Hex Head Cap Screws, Fine, Grade 5 Medium Carbon Steel, Plain online from South Coast Fasteners. These are also known as hex bolts. It measures 5/8" diameter, 8 1/2" (PT) length, fine thread, Grade 5 with a plain finish. A solid choice for fast, repeatable fastening on the jobsite, it is part of our Grade 5 Hex Cap Screws line, stocked across industries such as Furniture, Manufacturing, and Construction.
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